This sub-$70 hand grinder is the best entry point into manual brewing, delivering consistent, clean grinds for pour-over and AeroPress without the noise or counter space of an electric. It won't do espresso (the adjustment steps are too coarse) and enthusiasts chasing the last 10% of clarity eventually migrate to a Comandante, but years of daily use produce zero mechanical failures and the build quality punches well above its price. If you're starting out with V60 or drip and want something that works beautifully without the premium cost, buy it; if you need espresso precision or already own a decent grinder, save for the upgrade.
The C3 is a handsome, well-built hand grinder that makes good pour over coffee but has been quietly retired by the market. The grind dial can slip or free-spin at certain click positions, forcing you to recount from zero mid-session, and espresso grinding demands a full minute of hard cranking for a single shot. If you already own one and brew pour over, it'll keep working just fine. If you're shopping today, skip straight to Timemore's own S3 or the Kingrinder K6, both faster and more reliable at the same price or less.